conservationrule
nounUK /ˌkɒnsəˈveɪʃən ruːl/
US /ˌkɑːnsərˈveɪʃən ruːl/
A conservation rule is a rule that helps keep something safe from being wasted or lost.
The park has a conservation rule that says we must not pick the flowers.
RELATED WORDS
OTHER MEANINGS
2. A rule in science that says a certain amount, like energy or mass, stays the same and is never lost.
The conservation rule of energy tells us energy changes form but is not destroyed.
3. A rule that limits how much of something, like water or electricity, people can use.
During the dry summer, the town made a conservation rule about watering gardens.
4. A rule that protects old buildings or special places from being changed or harmed.
The museum follows a conservation rule to keep the old paintings safe.